Buy 2 and also get a free Greenrooftops Notebook and pen
Osmocote Preplant is a slow release fertiliser which will help to keep your green roof healthy. 1kg bag covers 20m2
The Osmocote PrePlant comes in small pellets which have a specially designed coating, releasing the fertiliser over a period of months. We recommend to apply OSMOCOTE slow release fertiliser every 6 or 12 month in Spring or Autumn depending on how your roof is looking. Application rate 50g/m2 so a 1kg bag is enough for 20m2
